diff --git a/mobile/android/chrome/content/aboutRights.xhtml b/mobile/android/chrome/content/aboutRights.xhtml
index bca88a337101..c93db5b20ef1 100644
--- a/mobile/android/chrome/content/aboutRights.xhtml
+++ b/mobile/android/chrome/content/aboutRights.xhtml
@@ -4,8 +4,6 @@
     %htmlDTD;
     <!ENTITY % brandDTD SYSTEM "chrome://branding/locale/brand.dtd">
     %brandDTD;
-    <!ENTITY % securityPrefsDTD SYSTEM "chrome://browser/locale/preferences/security.dtd">
-    %securityPrefsDTD;
     <!ENTITY % aboutRightsDTD SYSTEM "chrome://global/locale/aboutRights.dtd">
     %aboutRightsDTD;
     ]>